Native to:
Angola,
Benin,
Burkina,
Burundi,
Cameroon,
Cape Verde,
Caprivi Strip,
Central African Republic,
China South-Central,
China Southeast,
Eritrea,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Kenya,
Malawi,
Mauritania,
Mozambique,
Namibia,
Nigeria,
Northern Provinces,
Saudi Arabia,
Senegal,
Sierra Leone,
Somalia,
Sudan,
Taiwan,
Tanzania,
Togo,
Uganda,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Aldabra,
Andaman Is.,
Aruba,
Assam,
Bahamas,
Bangladesh,
Belize,
Bismarck Archipelago,
Borneo,
Brazil North,
Brazil Northeast,
Brazil Southeast,
Brazil West-Central,
Cambodia,
Canary Is.,
Caroline Is.,
Cayman Is.,
Chad,
Christmas I.,
Colombia,
Comoros,
Cook Is.,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
Egypt,
Fiji,
French Guiana,
Galápagos,
Gilbert Is.,
Haiti,
Hawaii,
Honduras,
India,
Iraq,
Jamaica,
Jawa,
Laccadive Is.,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Madagascar,
Malaya,
Maldives,
Marianas,
Mauritius,
Mexico Southwest,
Myanmar,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
Nicobar Is.,
Niger,
Northern Territory,
Pakistan,
Peru,
Philippines,
Puerto Rico,
Queensland,
Seychelles,
Society Is.,
Solomon Is.,
Southwest Caribbean,
Sri Lanka,
Sulawesi,
Sumatera,
Suriname,
Thailand,
Tonga,
Trinidad-Tobago,
Tubuai Is.,
Venezuela,
Venezuelan Antilles,
Vietnam,
Western Australia,
Windward Is.